Home / 66,619.22-91,934.61-36,811.22

Finding the Fourth Proportional to 66,619.22, 91,934.61 and 36,811.22

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Solution

The fourth proportional to 66,619.22, 91,934.61 and 36,811.22 is: 50,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.22 : 91,934.61 = 36,811.22 : x
  2. Step 2: Convert to fraction form
    66,619.22/91,934.61 = 36,811.22/x
  3. Step 3: Cross multiply
    66,619.22x = 91,934.61 × 36,811.22
  4. Step 4: Simplify right side
    66,619.22x = 3,384,225,154.32
  5. Step 5: Solve for x
    x = 3,384,225,154.32/66,619.22
  6. Step 6: Final answer
    x = 50,799.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.